Arizona is subject to a wide array of geologic hazards. That includes flooding, debris flows or mudslides, landslides, gradual land sinking (called subsidence) and earth fissures, swelling and ...

The map could have applications from educating tourists to helping prospectors find gold and communities prepare for landslides. Arizona-based scientist developing geologic map of Southeast Alaska ...

Vesta, an asteroid the size of Arizona, gets its own geologic map showing its history of meteorite impact craters over its billions of years of existence. Freelance writer Amanda C. Kooser covers ...

In 1888, Blandy was appointed Arizona's territorial geologist, a position created five years after Gov. Frederick A. Tritle asked Congress to establish a geological survey for the territory.

The Arizona desert features some of the most breathtaking geological formations and scenic vistas on Earth. And nowhere is that truer than this gorgeous park.

The Arizona Geological Survey is conducting something akin to a going-out-of-business sale. The survey’s new digs at the University of Arizona are one-fourth the size of its current offices in ...

The Legislature restored the $941,000 annual appropriation for the Arizona Geological Survey when it passed a $9.8 billion state budget last week, ending more than a year of uncertainty about the ...